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Utilizing Electroencephalography Measurements for Comparison of Task-Specific Neural Efficiencies: Spatial Intelligence Tasks
Published on: August 9, 2016
Distinct and shared neural resources between processing of dynamic physical objects and spatial working memory
1Department of Psychological and Brain Sciences, Johns Hopkins University, 3400 North Charles Street, Baltimore MD, 21218, United States.
Neuropsychologia
|August 5, 2026
Summary
Neural resources in the frontoparietal cortex support both physical reasoning and demanding cognitive tasks like spatial working memory. These brain regions involved in processing physical stimuli are also recruited for attentionally demanding tasks.
Area of Science:
- Cognitive Neuroscience
- Neuroimaging
- Human Brain Function
Background:
- The frontoparietal cortex is known to activate during physical reasoning and demanding cognitive tasks.
- An open question exists whether these distinct functions share the same neural resources.
Purpose of the Study:
- To investigate if the same neural resources in the frontoparietal cortex support both physical reasoning and spatial working memory.
- To determine if regions engaged by physical > social stimuli also engage during hard > easy spatial working memory tasks.
Main Methods:
- Functional magnetic resonance imaging (fMRI) was used to scan 28 adults.
- Participants performed tasks involving physical object tracking (vs. social agents) and spatial working memory (hard vs. easy).
- Functional regions of interest (fROIs) were identified and their engagement in the alternative task was analyzed.
Main Results:
- fROIs maximally engaged during physical > social processing showed strong responses during hard > easy spatial working memory.
- A correlation was observed between strong responses in one task set and the other.
- Performance on spatial working memory correlated with responses in physical > social fROIs, but not hard > easy fROIs.
Conclusions:
- Portions of the frontoparietal cortex preferentially responding to physical stimuli are recruited for spatial working memory.
- These findings suggest these regions are involved in broader functions, potentially spatial processing or general attentionally demanding tasks.
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